<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>超级剧中</title>
    <link rel="stylesheet" href="css/surper-center.css"/>
</head>
<body>
    <div class="ex1">
        <div class="parent blue">
            <div class="box coral" contenteditable>
                :)
            </div>
        </div>
    </div>


    <div class="container ex2">
        <div class="parent white">
            <div class="box green">1</div>
            <div class="box green">2</div>
            <div class="box green">3</div>
        </div>
    </div>
</body>
</html>
